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Finding the Third Proportional to 9,708 and 20,572

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Solution

The third proportional to 9,708 and 20,572 is: 43,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708 : 20,572 = 20,572 : x
  2. Step 2: Convert to fraction form
    9,708/20,572 = 20,572/x
  3. Step 3: Cross multiply
    9,708x = 20,572 × 20,572
  4. Step 4: Simplify right side
    9,708x = 423,207,184
  5. Step 5: Solve for x
    x = 423,207,184/9,708
  6. Step 6: Final answer
    x = 43,593.65

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.